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crypto: sha256_generic - Switch to the generic lib/crypto/sha256.c lib code

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Drop the duplicate generic sha256 (and sha224) implementation from
crypto/sha256_generic.c and use the implementation from
lib/crypto/sha256.c instead.

"diff -u lib/crypto/sha256.c sha256_generic.c" shows that the core
sha256_transform function from both implementations is identical and
the other code is functionally identical too.

Suggested-by: Eric Biggers <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Hans de Goede 2019-08-17 16:24:35 +02:00 • committed by Herbert Xu
commit 08c327f63f
2 changed files with 19 additions and 207 deletions
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1
crypto/Kconfig
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@ -855,6 +855,7 @@ config CRYPTO_LIB_SHA256
config CRYPTO_SHA256
tristate "SHA224 and SHA256 digest algorithm"
select CRYPTO_HASH
select CRYPTO_LIB_SHA256
help
SHA256 secure hash standard (DFIPS 180-2).